| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>[[SetPrototypeOf]] on a WindowProxy object should not allow changing its value: cross-origin, but same-origin-domain</title> |
| <link rel="help" href="http://html.spec.whatwg.org/multipage/#windowproxy-setprototypeof"> |
| <link rel="author" title="Domenic Denicola" href="mailto:d@domenic.me"> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/common/test-setting-immutable-prototype.js"></script> |
| |
| <iframe src="//{{hosts[alt][]}}:{{ports[http][1]}}/common/domain-setter.sub.html"></iframe> |
| |
| <script> |
| "use strict"; |
| document.domain = "{{host}}"; |
| setup({ explicit_done: true }); |
| |
| window.onload = () => { |
| const target = frames[0]; |
| const origProto = Object.getPrototypeOf(target); |
| |
| test(() => { |
| assert_not_equals(origProto, null); |
| }, "Same-origin-domain prerequisite check: the original prototype is accessible"); |
| |
| testSettingImmutablePrototype("Same-origin-domain", target, origProto, { isSameOriginDomain: true }); |
| |
| done(); |
| }; |
| </script> |
